Reformat code

chp1/syscalls/example1.c

@@ -2,8 +2,9 @@
 #include <stdlib.h>
 #include <unistd.h>
 
-int main(void) {
-  int fd = open("test.txt", O_CREAT | O_RDWR);
-  // close(fd);
-  return EXIT_SUCCESS;
+int main(void)
+{
+	int fd = open("test.txt", O_CREAT | O_RDWR);
+	// close(fd);
+	return EXIT_SUCCESS;
 }